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Ion specificity of the zeta potential of α-alumina, and of the adsorption of p-hydroxybenzoate at the α-alumina-water interface

Das, Manash and Borah, Jayanta and Kunz, Werner and Ninham, Barry W. and Mahiuddin, Sekh (2010) Ion specificity of the zeta potential of α-alumina, and of the adsorption of p-hydroxybenzoate at the α-alumina-water interface. Journal of Colloid and Interface Science 344 (20), pp. 482-491.

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Abstract

The influence of inorg. anions (NO-3, I-, Br-, Cl-, SO42-, and S2O32-) and divalent cations (Ca2+ and Mg2+) on the zeta potential and isoelec. point of α-alumina in aq. medium has been studied. The effect of the anions is highly ion specific even at salt concns. as low as 5 × 10-4 M. This unexpected finding is in line with a recent report. It is also in agreement with an earlier theor. ...

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Item Type:Article
Date:2010
Institutions:Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > Prof. Dr. Werner Kunz
Identification Number:
ValueType
10.1016/j.jcis.2009.12.048DOI
CODEN:JCISA5Other
Keywords:ion specificity zeta potential isoelec point alumina adsorption
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Georg Berger
Deposited On:15 May 2012 13:29
Last Modified:15 May 2012 13:29
Item ID:24415
Owner Only: item control page
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